90876100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{659}}^1$

素因数の和:877

約数の個数: 72

約数和(自身を含む): 226860480

約数和(自身を除く): 135984380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 197, 350, 394, 659, 700, 788, 985, 1318, 1379, 1970, 2636, 2758, 3295, 3940, 4613, 4925, 5516, 6590, 6895, 9226, 9850, 13180, 13790, 16475, 18452, 19700, 23065, 27580, 32950, 34475, 46130, 65900, 68950, 92260, 115325, 129823, 137900, 230650, 259646, 461300, 519292, 649115, 908761, 1298230, 1817522, 2596460, 3245575, 3635044, 4543805, 6491150, 9087610, 12982300, 18175220, 22719025, 45438050, 90876100]

約数ペア:

[(1, 90876100), (2, 45438050), (4, 22719025), (5, 18175220), (7, 12982300), (10, 9087610), (14, 6491150), (20, 4543805), (25, 3635044), (28, 3245575), (35, 2596460), (50, 1817522), (70, 1298230), (100, 908761), (140, 649115), (175, 519292), (197, 461300), (350, 259646), (394, 230650), (659, 137900), (700, 129823), (788, 115325), (985, 92260), (1318, 68950), (1379, 65900), (1970, 46130), (2636, 34475), (2758, 32950), (3295, 27580), (3940, 23065), (4613, 19700), (4925, 18452), (5516, 16475), (6590, 13790), (6895, 13180), (9226, 9850)]